Curated OER
Protecting Treasures
Students explore electricity by creating an alarm. In this circuitry lesson, students analyze a diagram of a circuit based alarm which detects sunlight. Students utilize electrical equipment to recreate the circuit and practice using its...
TeachEngineering
Teach Engineering: Make an Alarm!
After reading the story "Dear Mr. Henshaw" by Beverly Cleary, students will build an alarm system for something in the classroom, as the main character Leigh does to protect his lunchbox from thieves. Students will learn about alarms and...